Texas Instruments TVP5147M1PFP User Manual
Page 31
Functional Description
23
SLES140A—March 2007
TVP5147M1PFP
Single Byte
B8
S
ACK
E8
ACK
VA0
ACK
VA1
ACK
VA2
ACK
P
VBUS Write
B8
S
ACK
E0
ACK
Send Data
ACK
P
Multiple Bytes
B8
S
ACK
E8
ACK
VA0
ACK
VA1
ACK
VA2
ACK
P
B8
S
ACK
E1
ACK
Send Data
ACK
ACK
P
Send Data
• • •
Single Byte
B8
S
ACK
E8
ACK
VA0
ACK
VA1
ACK
VA2
ACK
P
VBUS Read
B8
S
ACK
E0
ACK
ACK
Multiple Bytes
B8
S
ACK
E8
ACK
VA0
ACK
VA1
ACK
VA2
ACK
P
B8
S
ACK
E1
ACK
ACK
NAK
P
Read Data
• • •
Read Data
NAK
P
S
B9
S
B9
ACK
Read Data
HOST
Processor
I2C
VBUS
Data
I2C Registers
00h
E0h
E1h
VBUS
Address
E8h
EAh
FFh
VBUS[23:0]
Line
Mode
VBUS Registers
00 0000h
FIFO
VPS
VITC
WSS
CC
80 051Ch
80 0520h
80 052Ch
80 0600h
80 0700h
90 1904h
FF FFFFh
NOTE: Examples use default I2C address
ACK = Acknowledge generated by the slave
NAK = No acknowledge generated by the master
Figure 2−17. VBUS Access